Sebastion is a distinctive boys' name in United States, ranking #2446 in 2004 with 46 recorded births. The name reached its all-time peak in 2000 with 49 births ranking #2081. Since 1996, the popularity has increased by 155.6%. In 2004, approximately 1 in every 43,148 boys born was named Sebastion. FALLING Recent data shows the name is currently falling.